@import"https://fonts.googleapis.com/css2?family=Nunito:wght@400;600;700;800&display=swap";:root{--bg-primary: #f8fafc;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-input: #f1f5f9;--bg-input-focus: #ffffff;--text-primary: #334155;--text-secondary: #64748b;--text-muted: #94a3b8;--accent-brand: #3b82f6;--accent-hover: #2563eb;--accent-light: #eff6ff;--border-color: #e2e8f0;--border-focus: #3b82f6;--radius-sm: 12px;--radius-md: 16px;--radius-lg: 24px;--radius-xl: 32px;--shadow-card: 0 10px 25px -5px rgba(0, 0, 0, .05), 0 8px 10px -6px rgba(0, 0, 0, .01);--shadow-input: inset 0 2px 4px 0 rgba(0, 0, 0, .02);--shadow-btn: 0 4px 6px -1px rgba(59, 130, 246, .3), 0 2px 4px -2px rgba(59, 130, 246, .3);--shadow-qr: 0 12px 24px -10px rgba(0, 0, 0, .1);--transition-fast: .15s ease;--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-bounce: .4s cubic-bezier(.34, 1.56, .64, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:Nunito,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.5;background-image:radial-gradient(circle at top right,#e0e7ff 0%,transparent 40%),radial-gradient(circle at bottom left,#dbeafe 0%,transparent 40%);background-attachment:fixed}.app{display:flex;flex-direction:column;align-items:center;min-height:100vh;padding:3rem 1rem 4rem}.header{text-align:center;margin-bottom:2rem}.header__logo{display:inline-flex;align-items:center;justify-content:center;gap:.75rem;margin-bottom:.5rem}.header__icon{width:48px;height:48px;background:var(--bg-secondary);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 4px 6px -1px #0000000d;transform:rotate(-5deg)}.header__title{font-size:2rem;font-weight:800;color:#1e293b;letter-spacing:-.03em}.header__subtitle{color:var(--text-secondary);font-size:1rem;font-weight:600}.card{width:100%;max-width:420px;background:var(--bg-card);border-radius:var(--radius-xl);padding:2.5rem 2rem;box-shadow:var(--shadow-card);border:1px solid rgba(255,255,255,.8);display:flex;flex-direction:column;gap:2rem}@media(min-width:800px){.card{max-width:840px;flex-direction:row;padding:3rem;align-items:flex-start}}.card-form{flex:1;width:100%}.form-group{margin-bottom:1.5rem}.form-group__label{display:block;font-size:.9rem;font-weight:700;color:var(--text-primary);margin-bottom:.6rem}.toggle-group{display:flex;background:var(--bg-input);border-radius:var(--radius-lg);padding:6px;gap:6px}.toggle-group__btn{flex:1;padding:.75rem .5rem;font-size:.9rem;font-weight:700;font-family:inherit;color:var(--text-secondary);background:transparent;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-bounce);white-space:nowrap}.toggle-group__btn:hover{color:var(--text-primary)}.toggle-group__btn.active{color:var(--accent-brand);background:var(--bg-secondary);box-shadow:0 2px 8px #0000000a;transform:scale(1.02)}.input{width:100%;padding:.85rem 1.25rem;font-size:1.1rem;font-family:inherit;font-weight:600;color:var(--text-primary);background:var(--bg-input);border:2px solid transparent;border-radius:var(--radius-md);outline:none;box-shadow:var(--shadow-input);transition:all var(--transition-normal)}.input::placeholder{color:var(--text-muted);font-weight:400}.input:hover{background:#e2e8f0}.input:focus{background:var(--bg-input-focus);border-color:var(--accent-brand);box-shadow:0 4px 12px #3b82f61a;transform:translateY(-2px)}.input--amount{font-size:1.5rem;font-weight:800;text-align:center}.input-hint{font-size:.85rem;color:var(--text-muted);margin-top:.5rem;font-weight:600}.input-error{font-size:.85rem;color:#ef4444;margin-top:.5rem;font-weight:600;display:none}.input-error.visible{display:block;animation:shake .4s cubic-bezier(.36,.07,.19,.97) both}@keyframes shake{10%,90%{transform:translate3d(-1px,0,0)}20%,80%{transform:translate3d(2px,0,0)}30%,50%,70%{transform:translate3d(-4px,0,0)}40%,60%{transform:translate3d(4px,0,0)}}.form-actions{display:flex;gap:1rem;margin-top:1rem}.btn-generate{flex:2;padding:1rem 1.5rem;font-size:1.1rem;font-weight:800;font-family:inherit;color:#fff;background:var(--accent-brand);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-bounce);box-shadow:var(--shadow-btn)}.btn-clear{flex:1;padding:1rem 1.5rem;font-size:1rem;font-weight:700;font-family:inherit;color:var(--text-secondary);background:var(--bg-input);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-bounce)}.btn-clear:hover{background:#e2e8f0;color:var(--text-primary);transform:translateY(-2px)}.btn-clear:active{transform:translateY(0)}.btn-generate:hover{background:var(--accent-hover);transform:translateY(-3px) scale(1.02);box-shadow:0 6px 12px -2px #3b82f666}.btn-generate:active{transform:translateY(0) scale(.98)}.qr-section{text-align:center;display:none;background:var(--bg-primary);border-radius:var(--radius-lg);padding:1.5rem;border:1px dashed var(--border-color);animation:popIn .5s cubic-bezier(.34,1.56,.64,1);width:100%}@media(min-width:800px){.qr-section{flex:1;margin-top:0;position:sticky;top:2rem}}.qr-section.visible{display:block}@keyframes popIn{0%{opacity:0;transform:scale(.9) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.qr-container{display:inline-block;background:#fff;border-radius:var(--radius-md);padding:1rem;box-shadow:var(--shadow-qr)}.qr-container canvas{display:block;border-radius:8px}.qr-info{margin-top:1.25rem;color:var(--text-secondary)}.qr-info__target{font-size:1rem;font-weight:700;color:var(--text-primary)}.qr-info__amount{font-size:1.5rem;font-weight:800;color:var(--accent-brand);margin-top:.25rem}.qr-actions{display:flex;flex-direction:column;gap:.75rem;margin-top:1.5rem}.btn-action{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1rem;font-size:.95rem;font-weight:700;font-family:inherit;color:var(--accent-brand);background:var(--accent-light);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition-bounce)}.btn-action:hover{background:#dbeafe;transform:translateY(-2px)}.btn-action:active{transform:translateY(0)}.btn-action.copied{color:#059669;background:#d1fae5}.footer{margin-top:2.5rem;text-align:center;font-size:.9rem;font-weight:600;color:var(--text-muted)}.saved-indicator{position:fixed;top:1.5rem;left:50%;transform:translate(-50%) translateY(-20px);padding:.75rem 1.5rem;background:#10b981;color:#fff;border-radius:var(--radius-xl);font-size:.95rem;font-weight:700;opacity:0;transition:all var(--transition-bounce);pointer-events:none;z-index:100;box-shadow:0 4px 12px #10b9814d}.saved-indicator.show{opacity:1;transform:translate(-50%) translateY(0)}@media(max-width:480px){.app{padding:1.5rem 1rem 3rem}.card{padding:2rem 1.5rem}}.logo-inputs{display:flex;align-items:center;gap:.75rem}.input--url{flex:1;font-size:.95rem;padding:.75rem 1rem}.logo-inputs__or{font-size:.85rem;font-weight:700;color:var(--text-muted)}.btn-upload{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.6rem 1rem;font-size:.9rem;font-weight:700;color:var(--accent-brand);background:var(--accent-light);border:1px dashed var(--accent-brand);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-bounce);white-space:nowrap}.btn-upload:hover{background:#dbeafe;transform:translateY(-2px)}.btn-upload--dragover{background:var(--accent-brand);color:#fff;border-style:solid;transform:scale(1.05)}.logo-preview-container{margin-top:.75rem;display:flex;align-items:center;gap:1rem;padding:.75rem;background:var(--bg-primary);border-radius:var(--radius-sm);border:1px solid var(--border-color);animation:popIn .3s cubic-bezier(.34,1.56,.64,1)}.logo-preview{width:48px;height:48px;object-fit:contain;border-radius:8px;background:#fff;border:1px solid var(--border-color)}.btn-clear-logo{font-size:.8rem;font-weight:700;color:#ef4444;background:#fef2f2;border:none;padding:.4rem .7rem;border-radius:6px;cursor:pointer;transition:all var(--transition-bounce)}.btn-clear-logo:hover{background:#fee2e2;transform:scale(1.05)}.header{position:relative;display:flex;flex-direction:column;align-items:center}.btn-history{display:inline-flex;align-items:center;gap:.4rem;padding:.5rem .8rem;margin-top:.75rem;font-size:.85rem;font-weight:700;color:var(--text-secondary);background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);cursor:pointer;transition:all var(--transition-bounce);box-shadow:0 2px 4px #00000005}.btn-history:hover{color:var(--text-primary);border-color:var(--text-muted);transform:translateY(-2px)}.modal-overlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#0f172a66;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:1.5rem;z-index:1000;opacity:0;pointer-events:none;transition:opacity var(--transition-normal)}.modal-overlay.open{opacity:1;pointer-events:auto}.modal-content{width:100%;max-width:400px;background:var(--bg-card);border-radius:var(--radius-xl);padding:1.5rem;box-shadow:0 20px 25px -5px #0000001a,0 10px 10px -5px #0000000a;transform:scale(.95) translateY(10px);transition:all var(--transition-bounce);max-height:80vh;display:flex;flex-direction:column}.modal-overlay.open .modal-content{transform:scale(1) translateY(0)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--border-color)}.modal-title{font-size:1.2rem;font-weight:800;color:var(--text-primary)}.modal-close{background:transparent;border:none;font-size:1.25rem;color:var(--text-muted);cursor:pointer;padding:.25rem;border-radius:50%;transition:all var(--transition-fast)}.modal-close:hover{color:#ef4444;background:#fef2f2}.history-list{display:flex;flex-direction:column;gap:.75rem;overflow-y:auto;flex:1;padding-right:.5rem}.history-list::-webkit-scrollbar{width:6px}.history-list::-webkit-scrollbar-track{background:var(--bg-primary);border-radius:10px}.history-list::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:10px}.history-list::-webkit-scrollbar-thumb:hover{background:#94a3b8}.history-item{display:flex;justify-content:space-between;align-items:center;padding:.85rem 1rem;background:var(--bg-primary);border-radius:var(--radius-md);border:1px solid transparent;cursor:pointer;transition:all var(--transition-normal)}.history-item:hover{background:var(--bg-secondary);border-color:var(--accent-brand);transform:translateY(-1px);box-shadow:0 4px 6px -1px #0000000d}.history-item__info{display:flex;flex-direction:column;gap:.2rem}.history-item__target{font-weight:700;color:var(--text-primary);font-size:.95rem}.history-item__amount{font-size:.85rem;color:var(--accent-brand);font-weight:800}.history-item__message{font-size:.75rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.history-item__date{font-size:.75rem;color:var(--text-muted);font-weight:600}.history-empty{text-align:center;color:var(--text-muted);font-size:.9rem;padding:2rem 0;font-weight:600}